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https://develop.openfoam.com/Development/openfoam.git
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ENH: Lagrangian - added particle Tomiyama drag model
Based on the reference
Tomiyama, A., Kataoka, I., Zun, I., Sakaguchi, T. (1998)
Drag coefficients of single bubbles under normal and micro gravity
conditions
JSME International Journal, 41(2), 472-479.
Example usage
subModels
{
particleForces
{
tomiyamaDrag
{
sigma 0.07;
contamination pure; // pure | slight | full
}
}
}
This commit is contained in:
Andrew Heather
committed by
Kutalmis Bercin
Kutalmis Bercin
parent
a0fea418e2
commit
8950c9b0c6
@ -6,7 +6,7 @@
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2011-2016 OpenFOAM Foundation
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Copyright (C) 2023 OpenCFD Ltd.
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Copyright (C) 2023-2024 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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@ -38,6 +38,7 @@ License
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#include "PlessisMasliyahDragForce.H"
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#include "SaffmanMeiLiftForce.H"
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#include "TomiyamaDragForce.H"
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#include "TomiyamaLiftForce.H"
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#include "GravityForce.H"
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@ -60,6 +61,7 @@ License
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makeParticleForceModelType(ErgunWenYuDragForce, CloudType); \
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makeParticleForceModelType(PlessisMasliyahDragForce, CloudType); \
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makeParticleForceModelType(SaffmanMeiLiftForce, CloudType); \
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makeParticleForceModelType(TomiyamaDragForce, CloudType); \
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makeParticleForceModelType(TomiyamaLiftForce, CloudType); \
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makeParticleForceModelType(GravityForce, CloudType); \
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makeParticleForceModelType(NonInertialFrameForce, CloudType); \
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@ -6,7 +6,7 @@
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2011-2016 OpenFOAM Foundation
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Copyright (C) 2023 OpenCFD Ltd.
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Copyright (C) 2023-2024 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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@ -35,6 +35,7 @@ License
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#include "NonSphereDragForce.H"
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#include "SaffmanMeiLiftForce.H"
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#include "TomiyamaDragForce.H"
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#include "TomiyamaLiftForce.H"
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#include "GravityForce.H"
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@ -53,6 +54,7 @@ License
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makeParticleForceModelType(SphereDragForce, CloudType); \
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makeParticleForceModelType(NonSphereDragForce, CloudType); \
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makeParticleForceModelType(SaffmanMeiLiftForce, CloudType); \
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makeParticleForceModelType(TomiyamaDragForce, CloudType); \
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makeParticleForceModelType(TomiyamaLiftForce, CloudType); \
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makeParticleForceModelType(GravityForce, CloudType); \
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makeParticleForceModelType(NonInertialFrameForce, CloudType); \
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@ -0,0 +1,125 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2024 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "TomiyamaDragForce.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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template<class CloudType>
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const Foam::Enum<typename Foam::TomiyamaDragForce<CloudType>::contaminationType>
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Foam::TomiyamaDragForce<CloudType>::contaminationTypeNames
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{
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{ contaminationType::PURE, "pure" },
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{ contaminationType::SLIGHT, "slight" },
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{ contaminationType::FULL, "full" },
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};
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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template<class CloudType>
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Foam::scalar Foam::TomiyamaDragForce<CloudType>::CdRe(const scalar Re) const
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{
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const scalar f = 1 + 0.15*pow(Re, 0.687);
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switch (contaminationType_)
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{
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case contaminationType::PURE:
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{
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// Eq. 31 pure system
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return min(16*f, 48);
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}
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case contaminationType::SLIGHT:
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{
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// Eq. 32 slightly contaminated system
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return min(24*f, 72);
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}
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case contaminationType::FULL:
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{
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// Eq. 33 fully contaminated system
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return 24*f;
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}
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default:
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{}
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}
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return Zero;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class CloudType>
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Foam::TomiyamaDragForce<CloudType>::TomiyamaDragForce
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(
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CloudType& owner,
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const fvMesh& mesh,
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const dictionary& dict
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)
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:
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ParticleForce<CloudType>(owner, mesh, dict, typeName, true),
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sigma_(this->coeffs().getScalar("sigma")),
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contaminationType_
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(
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contaminationTypeNames.get("contamination", this->coeffs())
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)
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{}
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template<class CloudType>
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Foam::TomiyamaDragForce<CloudType>::TomiyamaDragForce
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(
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const TomiyamaDragForce<CloudType>& df
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)
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:
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ParticleForce<CloudType>(df),
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sigma_(df.sigma_),
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contaminationType_(df.contaminationType_)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class CloudType>
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Foam::forceSuSp Foam::TomiyamaDragForce<CloudType>::calcCoupled
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(
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const typename CloudType::parcelType& p,
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const typename CloudType::parcelType::trackingData& td,
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const scalar dt,
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const scalar mass,
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const scalar Re,
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const scalar muc
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) const
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{
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const scalar Eo = p.Eo(td, sigma_);
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const scalar CdRe = max(this->CdRe(Re), Re*8/3*Eo/(Eo + 4));
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return forceSuSp(Zero, mass*0.75*muc*CdRe/(p.rho()*sqr(p.d())));
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}
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// ************************************************************************* //
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@ -0,0 +1,256 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2024 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
|
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under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
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You should have received a copy of the GNU General Public License
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||||
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::TomiyamaDragForce
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Group
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grpLagrangianIntermediateForceSubModels
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Description
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Particle-drag model wherein drag forces (per unit carrier-fluid
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velocity) are dynamically computed using empirical expressions based on
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their level of contamination.
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\f[
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\mathrm{F}_\mathrm{D} =
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\frac{3}{4}
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\frac{\mu_c\,\mathrm{C}_\mathrm{D}\,\mathrm{Re}_p}{\rho_p \, d_p^2}
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\f]
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For pure systems:
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\f[
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\mathrm{C}_\mathrm{D} =
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\max\left[
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\min\left(\frac{16}{Re}(1+0.15Re^{0.687}), \frac{48}{Re}\right),
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\frac{8}{3}\frac{Eo}{Eo+4}
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\right]
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\f]
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For slightly contaminated systems:
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\f[
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\mathrm{C}_\mathrm{D} =
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\max\left[
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\min\left(\frac{24}{Re}(1+0.15Re^{0.687}), \frac{72}{Re}\right),
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\frac{8}{3}\frac{Eo}{Eo+4}
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\right]
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\f]
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For fully contaminated systems:
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\f[
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\mathrm{C}_\mathrm{D} =
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\max\left[
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\frac{24}{Re}(1+0.15Re^{0.687}),
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\frac{8}{3}\frac{Eo}{Eo+4}
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\right]
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\f]
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where
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\vartable
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\mathrm{F}_\mathrm{D} | Drag force per carrier-fluid velocity [kg/s]
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\mathrm{C}_\mathrm{D} | Particle drag coefficient
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\mathrm{Re}_p | Particle Reynolds number
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\rho_p | Particle mass density
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\mu_c | Dynamic viscosity of carrier at the cell occupying particle
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d_p | Particle diameter
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\rho_c | Density of carrier at the cell occupying particle
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\mathbf{u}_\mathrm{rel} | Relative velocity between particle and carrier
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Eo | Eotvos number
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\endvartable
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Constraints:
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- Applicable to bubbles with a spatially homogeneous distribution.
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References:
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\verbatim
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Tomiyama, A., Kataoka, I., Zun, I., & Sakaguchi, T. (1998).
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Drag coefficients of single bubbles under normal and micro gravity
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conditions.
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JSME International Journal Series B
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Fluids and Thermal Engineering, 41(2), 472-479.
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\endverbatim
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Usage
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Minimal example by using \c constant/\<CloudProperties\>:
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\verbatim
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subModels
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{
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particleForces
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{
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tomiyamaDrag
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{
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// Mandatory entries
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sigma <scalar>;
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contamination <word>; // pure | slight | full
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}
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}
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}
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\endverbatim
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where the entries mean:
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\table
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Property | Description | Type | Reqd | Deflt
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type | Type name: tomiyamaDrag | word | yes | -
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sigma | Surface tension | scalar | yes | -
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contamination | Contamination type | word | yes | -
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\endtable
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Options for the \c contamination entry:
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\verbatim
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pure | Pure systems
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slight | Slightly contaminated systems
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full | Fully contaminated systems
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\endverbatim
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Note
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- \f$\mathrm{F}_\mathrm{D}\f$ is weighted with the particle mass/density
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at the stage of a function return, so that it can later be normalised
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with the effective mass, if necessary (e.g. when using virtual-mass forces).
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SourceFiles
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TomiyamaDragForce.C
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\*---------------------------------------------------------------------------*/
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#ifndef TomiyamaDragForce_H
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#define TomiyamaDragForce_H
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#include "ParticleForce.H"
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#include "Enum.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class TomiyamaDragForce Declaration
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\*---------------------------------------------------------------------------*/
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template<class CloudType>
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class TomiyamaDragForce
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:
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public ParticleForce<CloudType>
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{
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public:
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// Public Enumerations
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//- Options for the contamination types
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enum contaminationType : char
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{
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PURE = 0, //!< "Pure systems"
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SLIGHT, //!< "Slightly contaminated systems"
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FULL //!< "Fully contaminated systems"
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};
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//- Names for the contaminationType options
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static const Enum<contaminationType> contaminationTypeNames;
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private:
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// Private Data
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//- Surface tension
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const scalar sigma_;
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//- Contamination type option
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const contaminationType contaminationType_;
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// Private Member Functions
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//- Drag coefficient multiplied by Reynolds number
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scalar CdRe(const scalar Re) const;
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public:
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//- Runtime type information
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TypeName("TomiyamaDrag");
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// Constructors
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//- Construct from mesh
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TomiyamaDragForce
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(
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CloudType& owner,
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const fvMesh& mesh,
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const dictionary& dict
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);
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//- Copy construct
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TomiyamaDragForce(const TomiyamaDragForce<CloudType>& df);
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//- Construct and return a clone
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virtual autoPtr<ParticleForce<CloudType>> clone() const
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{
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return autoPtr<ParticleForce<CloudType>>
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(
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new TomiyamaDragForce<CloudType>(*this)
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);
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}
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//- No copy assignment
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void operator=(const TomiyamaDragForce<CloudType>&) = delete;
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//- Destructor
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virtual ~TomiyamaDragForce() = default;
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// Member Functions
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// Evaluation
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//- Calculate the coupled force
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virtual forceSuSp calcCoupled
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(
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const typename CloudType::parcelType& p,
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const typename CloudType::parcelType::trackingData& td,
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const scalar dt,
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const scalar mass,
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const scalar Re,
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const scalar muc
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) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#ifdef NoRepository
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#include "TomiyamaDragForce.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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Reference in New Issue
Block a user